fix(deps): add ajv override >=8.18.0 (GHSA-2g4f-4pwh-qvx6, CVE-2025-69873)

[cswkim]

Description

Adds a pnpm override for ajv at >=8.18.0 and refreshes the lockfile. Versions before 8.18.0 are affected by GHSA-2g4f-4pwh-qvx6 / CVE-2025-69873: ReDoS when the $data option is enabled and a malicious regex pattern is passed via the pattern keyword, which can cause long CPU blocking and DoS. The override forces all dependents to use the patched release.

Checklist

• It's useful if your PR references an issue where it is discussed ahead of time
• Adhere to semantic messaging and prefix your PR title with feat:, fix:, chore:, docs:, etc.
• I’ve added tests if needed
• I’ve updated documentation if applicable
• I’ve tested this locally
• Add a changeset (pnpm changeset) if necessary

Tests and linting

• Run the tests with pnpm test.
• Run the lint check with pnpm lint.
• Run the code formatting (prettier) check with pnpm format.

[changeset-bot]

🦋 Changeset detected

Latest commit: de15fa2

The changes in this PR will be included in the next version bump.

This PR includes changesets to release 1 package

Name	Type
discogs-mcp-server	Patch

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